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Table 3 Odds ratio (OR) and 95% confidence interval (CI) of the association between variables and insufficient and excessive gestational weight gain (GWG) in pregnant women. University Hospital from a Metropolitan area of Rio de Janeiro, Brazil, 2019

From: Inadequacy of gestational weight gain during high-risk pregnancies is not associated with household food insecurity

  Bivariate model Adjusted model
  Insufficient GWG Excessive GWG Insufficient GWG Excessive GWG
  OR CI 95% p value OR CI 95% p value OR CI 95% p value OR CI 95% p value
Maternal age             
≤ 35 years old Ref.[1]    Ref.[1]    Ref.[1]    Ref.[1]   
> 35 years old 0.36 0.11-1.18 0.09* 0.84 0.35-2.00 0.70 0.66 0.13-3.28 0.62 1.37 0.43-4.42 0.60
Marital status             
Single/Divorced/Widowed 2.20 0.8-6.12 0.13* 1.07 0.42-2.72 0.88 1.83 0.50-6.68 0.36 0.84 0.28-2.58 0.76
Married Ref.[1] Ref.[1]   Ref.[1] Ref.[1]   Ref.[1] Ref.[1]   Ref.[1]   
Educational level             
< 9 Ref.[1] Ref.[1]   Ref.[1] Ref.[1]   Ref.[1] Ref.[1]   Ref.[1]   
9-15 0.18 0.05-0.72 0.02** 0.62 0.16-2.40 0.49 0.10 0.01-0.89 0.04** 0.20 0.02-1.70 0.14
≥ 16 0.15 0.02-1.37 0.09* 0.91 0.15-5.58 0.92 0.05 0.002-1.22 0.06 0.18 0.01-2.35 0.19
Level of Security/Food insecurity (FI)             
Food security Ref.[1] Ref.[1]   Ref.[1]         
Mild FI 0.65 0.24-1.75 0.40 0.63 0.28-1.43 0.27       
Moderate/severe FI 0.29 0.26-0.32 0.98 0.26 0.23-0.29 0.98       
Number visits prenatal             
< 8 2.03 0.80-5.20 0.14* 1.01 0.46-2.22 0.98 4.03 0.94-17.25 0.06 0.95 0.33-2.68 0.92
≥ 8 Ref.[1] Ref.[1]   Ref.[1] Ref.[1]   Ref.[1] Ref.[1]   Ref.[1]   
Consumption of alcohol             
Yes 1.62 0.36-7.33 0.53 0.38 0.07-2.00 0.25       
No Ref.[1] Ref.[1]   Ref.[1]         
Current smoker             
Yes 6.37 7.27-55.90 0.09* 1.21 0.12-12.09 0.87 5.01 0.36-69.24 0.23 0.92 0.07-11.99 0.95
No Ref.[1] Ref.[1]   Ref.[1] Ref.[1]   Ref.[1] Ref.[1]   Ref.[1]   
Weeks’ gestation at delivery             
< 40 weeks Ref.[1] Ref.[1]   Ref.[1] Ref.[1]   Ref.[1] Ref.[1]   Ref.[1]   
≥ 40 weeks 2.75 0.85-8.94 0.09* 1.98 0.76-5.14 0.16* 2.13 0.49-9.29 0.31 2.10 0.69-6.43 0.19
  1.  [1]Reference category
  2. *p value <0.20
  3. **p value <0.05